Haier LE40U5000TF Service Manual
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Haier LE40U5000TF Service Manual

Haier LE40U5000TF Service Manual

Msd3463 chassis
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SERVICE MANUAL
LED TV
Model No. LE40U5000TF
MSD3463
Chassis
WARNING
This service information is designed for experienced repair tec h nicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non - technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the product or products dealt with in this service information by anyone else could result in serious injur
y or death.

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Summary of Contents for Haier LE40U5000TF

  • Page 1 SERVICE MANUAL LED TV Model No. LE40U5000TF MSD3463 Chassis WARNING This service information is designed for experienced repair tec h nicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non - technical individuals of potential dangers in attempting to service a product.

  • Page 2: Table Of Contents

    Service Manual Model No.: Chapter 1: General Information 1-1. Table of Contents 1. General Information................1-1. Table of Contents 1-2. General Guidelines 1-3. Important Notice 1-4. How to Read this Service Manual 2. Specification..................3. Location of Controls and Components........... 3-1.
  • Page 3 Service Manual Model No.: 8. Measurements and Adjustments..… … … … ......8-1. How to enter into the factory model 8-2. How to update software 8-3. How to enter into the Hotel Model 9. Trouble-shooting… … … … .............. 9-1. Simple Check 9-2.

  • Page 4: General Guidelines

    Service Manual Model No.: 1-2. General Guidelines When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
  • Page 5 Service Manual Model No.: 1-3-6 Safety Check after Repairment Confirm that the screws,parts and wiring which were removed in order to service are put in the original positions, or whether there are the positions which are deteriorated around the serviced places serviced or not. Check the insulation between the antenna terminal or external metal and the AC cord plug blades.
  • Page 6 Service Manual Model No.: Electrostatically Sensitive (ES) Devices Some semiconductor (solid-state) devices can be damaged easily by static electricity. Suc h components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...

  • Page 7: How To Read This Service Manual

    Service Manual Model No.: 1-3-8. Photo used in this manual The illustration and photos used in this Manual may not base on the final design of products, which may differ from your products in some way. 1-4. How to Read this Service Manual Using Icons: Icons are used to attract the attention of the reader to specific information.The meaning of each icon is described in the table below:...

  • Page 8: Specification

    Service Manual Model No.: 2. Specifications Model LE40U5000TF Screen Size 42 inch Aspect Ratio 16:9 Resolution 1920*1080 8.0 (GRAY TO Response Time (ms) GRAY)(Typ.) Angel of View 176o Color Display 16.7M Air: 2-69 No. of Preset Channels Cable: 1-125 OSD Language...

  • Page 9: Location Of Controls And Components

    Service Manual Model No.: 3. Location of Controls and Components 3-1 Board Location B Board A Board Description A Board Mainboard Power Supply B Board 3-2 Main Board - 8 -...
  • Page 10 Service Manual Model No.: 3-2-1 Function Description: Main Board Process signal which incept from exterior equipment then translate into signal that panel can display. 3-2-2 Connector definition Main boa rd connector Power connectors ( J16) Ｐｉｎ　ｎｕｍｂｅｒ 　 Ｓｉｇｎａｌ　ｎａｍｅ 　 ＧＮＤ　 １...
  • Page 11 Service Manual Model No.: Keypad and remote connector (J2) Ｐｉｎ　ｎｕｍｂｅｒ 　 Ｓｉｇｎａｌ　ｎａｍｅ 　 Ｄｅｓｃｒｉｐｔｉｏｎ 　 ＧＮＤ 　 １ 　 ２ 　 ＮＣ 　 ３ 　 ＫＥＹ０ 　 ４ 　 ＮＣ 　 ５ 　 ＋５Ｖ＿Ｓｔａｎｄｂｙ 　 ＰＯＷＥＲ　ＦＯＲ　ＲＥＭＯＴＥ 　 ６ 　 ＧＮＤ 　 ＧＮＤ...

  • Page 12: Power Board

    Service Manual Model No.: 3-3. Power Board 3-3-1 Function Description: Supply power for Main board, Panel. 3-3-2Connectorde?nition ＣＯＮ２０１ 　 Ｐｉｎ　ｎｕｍｂｅｒ 　 Ｓｉｇｎａｌ　ｎａｍｅ 　 １ 　 ＋１２Ｖ 　 ２ 　 ＋１２Ｖ 　 ３ 　 ＧＮＤ 　 ４ 　 ＧＮＤ 　 ５ 　 ＧＮＤ...
  • Page 13 Service Manual Model No.: 3-4. LED Panel LSC550FN07 - 12 -...
  • Page 14 Service Manual Model No.: 3-4-1.Connector de finition Symbol Description Symbol Description 12V-PW DC POWER SUPPLY 26 LOCKN Lock detect 12V-PW DC POWER SUPPLY 27 GND GROUND 12V-PW DC POWER SUPPLY 28 VB0N V-by-1 HSdata lane0 12V-PW DC POWER SUPPLY 29 VB0P V-by-1 HSdata lane0 12V-PW DC POWER SUPPLY 30 GND...

  • Page 15: Disassemble And Assemble

    Service Manual 4. Disassemble and assemble 4-1 Remove the Pedestal Lay down the unit so that rear cover faces upward Remove the three screw from the rear cover indicated Then remove the pedestal 4-2Remove the Back Cover Remove the these screw indicated on figure above Then re move the back cover from the unit.

  • Page 16: Remove The Main Board

    Service Manual Model No.: 4-4 Remove the Main board Disconnected the coupler J2 J16 J17 CN22 Remove the Main board 4-5 Remove the speaker Take out the speaker - 15 -...

  • Page 17: Remove The Remote Control Board

    Service Manual Model No.: 4-6 Remove the remote control take out the Remote Control and Keypad Assembly 4-7 Remove the Power Supply...

  • Page 18: Installation Instructions

    Service Manual Model No.: 5. Installation Instructions 5-1 External Equipment Connections Accessories Battery User GUIDE Remote Control Antenna Connection Connect one end of a coaxial cable (no t included) to the ANT IN jack on the back of your TV/DVD combo, then connect the other end of the cable into the antenna or cable TV wall outlet.
  • Page 19 Service Manual ANTENNA ＊　The TV appearanc e subject t o material object. N o t e : Aeria l connections: IEC(female). Input impendance: 75 u n b a l a n c e d . STEPS: Be sure both the TV and computer are Power off. 1.Connect VGA and audio cable 2.Connect power cord 3.Power on the TV, switch to PC mode...
  • Page 20 INSTALLATION INSTALLATION ＊　Subject t o materia l object . AV IN AV OUT VIDEO VIDEO AC-INPUT 100-240V~ 50/60Hz SUPPORTED MODE (PC) RESOLUTION V.Freq.(Hz) H.Freq.(KHz) 640*480 31.47 800*600 37.88 1024*768 48.36 1366*768 47.71 1280*1024 63.98 1920*1080 67.5 （Only for 40") NOTE: PC V.Freq.(Hz) not more than 60Hz. PRESET MODE (HDMI) RESOLUTION V.Freq.(Hz)
  • Page 21 Service Manual AV EQUIPMENT (LE40B8000) This TV provides one group of A V , one group of YPbPr for convenient connection to VCR, DVDor other video equipment. Please refer to the owner's manual of the equipment to be connected as well. You can use the input terminals on TV set rear as follows.

  • Page 22: Hdmi Connections

    Service Manual Model No.: 5-2 HDMI Connections When the source device(DVD player or Set Top Box) supports HDM How To Connect 1. Connect the source device to HDMI port of this TV with an HDMI cable(not supplied with this product). 2.
  • Page 23 Service Manual Service Manual Model No.: Cable sample HDMI Cable (not supplied with the product) HDMI to DVI Cable ( not supplied with the product) Analog Audio Cable (Stereo to RCA type) (not supplied with the product) - 22 -...
  • Page 24 Service Manual Model No.: Power source TO USE AC POWER SOURCE Use the AC polarized line cord provided for operation on AC. Insert the AC cord plug into a standard polarized AC outlet. NOTES: Never connect the AC line cord plug to other than the specified voltage. Use the attached power cord only.

  • Page 25: Operation Instructions

    Service Manual Ｓｅｒｖｉｃ ｅ　 Ｍａｎｕａｌ 　 　 Ｍｏｄｅｌ　Ｎｏ．： 6. Operation Instructions 6-1 Front panel controls KEYBOARD Front panel SOURCE MENU V- CH- CH+ Standby 1．S OURCE：　 Display the input source menu. 2．MENU：　 Display main MENU. 3．V-/V+ Adjust sound level. In MENU mode, press“V+”or“V-”to adjust the item that you selected.
  • Page 26 Service Manual Model No.: 6-3 Setting Up Your Remote Control Note : The relevant button doesn't work i f TV without teletext , NICAM, MHL function. - 25 -...

  • Page 27: Wiring Connection Diagram

    Service Manual Model No.: 7-3 .Wiring Connection Diagram NO.Name Connection Wire(For Speaker) Connection Wire(Power For Mainboard) LVDS Wire Connection Wire(For Remote and Keyboard)

  • Page 28: Measurements And Adjustments

    Service Manual Model No.: Measurements and Adjustments 1. CHANNEL MEN U Programme Edit T he first i t em of t he MEN U is CHANNEL MENU ( for T V source only). You can search channels and edit programs here. Pres s t o move, pres s O K button t o confirm, and pres s...
  • Page 29 TV OPERATION N O T E: Language CHANNEL 1).Tint is available in N T SC s y s tem only. Restore Factory Default 2).There are three color temperatur e modes Blue Screen PICTURE can be selected, such as Normal/Warm/Cool/User．　 HDMI CEC 3).Screen is available in P C mode only, which SOUND can adjust horizontal position, vertical position ,...
  • Page 30 TV OPERATION H a i e r I n n o v a t i o n L i f e Pres s ? ? t o select t he function icon, press O K button t o confirm t he function. Pres s ▼　...

  • Page 31: How To Enter Into The Factory Model

    Service Manual Model No.: 8.1 How to enter into the factory model 1. You can press "source-2-5-8-0" to go into factory setting. Presse the key "exit" to shut the factory setting. content: 1: ADC setup: set ADC value of YUV,VGA. It can also be auto-set. Adopt 100% color bar to yuv and Checkerboard signal to vga.

  • Page 32: How To Update Software

    Service Manual Model No.: 8.2 How to update software Haier V59F/W upgrade with USB SOP Step 1: Ready for F/W Upgrade 1.1 Prepare a USB memory . 1.2 Copy the software file (merg.bin) from your computer to the USB memory, and remove it from computer’s USB port!

  • Page 33: How To Enter Into The Hotel Model

    Service Manual Model No.: 8.3 How to enter into the hotel model 1. You can press "source-1-0-0-1" to go into the hotel model. Presse the key "exit" to shut the hotel model . Content: 1.Hotel Mode: Hotel mode switch 2.Panel Key Lock: Panel key lock Hotel mode can adjust the maximum volume 3.Max Volume: Hotel mode locking TV signal source...

  • Page 34: Trouble-Shooting

    Service Manual Model No.: 9. Trouble shooting 9-1. Simple check - 42 -...

  • Page 35: Main Board Failure Check

    Service Manual Model No.: 9-2. Main bo ard failure c hec k No picture but have sound check if J16 Pin3(3.3V) Check if the backlight of Change the panel is working Pin2(>0.7V) is normal Mainboard Check if there is +12V at Pin1~Pin8 in CN22 Change the Power Replace the...
  • Page 36 Service Manual Model No.: No sound but have picture Check if there is Check the input source sound input signal Check the audio input circuit between UD4 and U48 Check if there is sound from the earphone Check the Mute circuit between Check if Pin1 Pin2 of UD4(12V) is normal UD4 and U48 Check the circuit between...
  • Page 37 No sound No picture Check if there is voltage in Change the J16(Pin12-13:12V Pin6 5V Power board Pin5; 2-5V Pin3-4: 5V) Check if there FLASH(U18) Update the has the right software and software work well Change Mainboard - 3 -...
  • Page 38 Poor sound Poor sound Verify if sound system is Change sound correct . system For ease of use, recommend that customer format the picture and sound settings in the automatic option. Update the software and Still having make the reboot; problems or change the Mainboard...
  • Page 39 No color for some channel program (black and white) No color for some channel program (blac k and white) Verify if the same Check out of picture and sound problem exists in system of this channel other channels Change the channel to the right check out of picture sound system (PAL-M/N PAL-D/) K and sound system...
  • Page 40 • Mainboard not work Panel not work • 1. check if the power supply have 1. check if the voltage input and 12V and 5V output output of boost IC is working • 2.Verify if the DC/DC convertors normally. have the right output 2.Verify if the Mainboard output the (5V,3.3V,1.8V,1.15V) right On/Off signal to power board;...
  • Page 41 Power board not work 1.Verify if the power cord connect well? 2.check if the power supply if working normally ; check if the power supply +5Vstandby is working normally; 3. check if the POWER ON/OFF voltage is high pressure; 4.check if the power supply have +12V/+5V output;...

  • Page 42: Panel Failure

    Service Manual Model No.: 9-3. Pannel failure Failure Mode Part Name Description Phenomena Failure cause Block Defect :TCP cracking or c racking Dim or L/D :TCP Sunken V B/D Vertical bar :TCP lead cracking :ACF bonding short :Awful environment and something electric ente V Dim Vertal gray line...
  • Page 43 Service Manual Model No.: Part Name Description Phenomena Failure cause I n c o m i n g I n s p e c t i o n Standard Bright dot dark dot in Dot Defect pannel Bladder between Polarizer and top glass Polarizer Bubble Bladder in Polarizer...
  • Page 44 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause White Screen B/L normal, only white screen display Mayb e c a u s e d by surge current Black Screen B/L normal, and EDS only Black screen display FIIcker Crosstalk...
  • Page 45 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause Mechanlcal When Caused turn panel,appear b y M e c h a n i c a Nolse cacophony noise of backlight unit Ripple Connectric circle Causeed by between mechanism and pannel B/L off...
  • Page 46 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause Brightness B/L unit badness at bottom of LCM Light leakage brighter than normal B /L b r i g h t n e s s Sheet in B/L unit Mechanlcal or B/ asymmetric is uneven...
  • Page 47 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com Printed in China...

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